<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page,index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl">
            <p class="icon-desc">{{item.desc}}</p>
          </div>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>
<!--autoplay : false 轮播图不自动滚动 -->
<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        autoplay: false
      },
      iconsList: [{
        id: '0001',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/95/f3dd6c383aeb3b02.png',
        desc: '景点门票景点门票景点门票景点门票景点门票景点门票'
      }, {
        id: '0002',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/ff/fdf170ee89594b02.png',
        desc: '济南比游'
      }, {
        id: '0003',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/96/c70f1e85ae4a4f02.png',
        desc: '自然风光'
      }, {
        id: '0004',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1804/5a/13ceb38dcf262f02.png',
        desc: '一日游'
      }, {
        id: '0005',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/ab/6f7d6e44963c9302.png',
        desc: '泡温泉'
      }, {
        id: '0006',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1811/f6/e54fad3ea337b02.gif',
        desc: '年终大促'
      }, {
        id: '0007',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/20/831d62d2e1c7be02.png',
        desc: '名胜古迹'
      }, {
        id: '0008',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/20/831d62d2e1c7be02.png',
        desc: '趵突泉'
      }, {
        id: '0009',
        imgUrl: 'http://img1.qunarzz.com/piao/fusion/1803/47/c2b659e048b11602.png',
        desc: '济南动物园'
      }]
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>
<style lang="stylus" scoped>
  @import "~styles/varibles.styl"
  @import "~styles/mixins.styl"
  .icons >>> .swiper-container
    height 0
    padding-bottom 50%
  .icons
    margin-top .1rem
    .icon
      position relative
      overflow hidden
      float left
      width 25%
      height 0
      padding-bottom 25%
      .icon-img
        position absolute
        top 0
        left 0
        right 0
        bottom .44rem
        box-sizing border-box
        padding .1rem
        .icon-img-content
          display block
          margin 0 auto
          height 100%
      .icon-desc
        position absolute
        left 0
        right 0
        bottom -.2rem
        height .34rem
        line-height .44rem
        text-align center
        color $darkTextColor
        ellipsis()
</style>
